Android學(xué)習(xí)--判斷當(dāng)前設(shè)備的網(wǎng)絡(luò)狀態(tài)

public class NetUtil {
    public static final int NETWORN_NONE = 0;//無(wú)網(wǎng)絡(luò)
    public static final int NETWORN_WIFI = 1;//wife
    public static final int NETWORN_MOBILE = 2;//手機(jī)

    /**
     * 獲取當(dāng)前網(wǎng)絡(luò)的狀態(tài)
     * @param context
     * @return
     */
    public static int getNetworkState(Context context) {
        ConnectivityManager connManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);

        // Wifi
        State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI)
                .getState();
        if (state == State.CONNECTED || state == State.CONNECTING) {
            return NETWORN_WIFI;
        }

        // 3G
        state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE)
                .getState();
        if (state == State.CONNECTED || state == State.CONNECTING) {
            return NETWORN_MOBILE;
        }
        return NETWORN_NONE;
    }

    /**
     * 判斷是否有網(wǎng)絡(luò)
     * @param context
     * @return
     */
    public static boolean isNetConnected(Context context) {
        boolean isNetConnected;
        // 獲得網(wǎng)絡(luò)連接服務(wù)
        ConnectivityManager connManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo info = connManager.getActiveNetworkInfo();
        if (info != null && info.isAvailable()) {
//				String name = info.getTypeName();
//				L.i("當(dāng)前網(wǎng)絡(luò)名稱(chēng)：" + name);
            isNetConnected = true;
        } else {
            L.i("沒(méi)有可用網(wǎng)絡(luò)");
            isNetConnected = false;
        }
        return isNetConnected;
    }
}